What is the weather in Mechanicsburg right now?

Current weather in Mechanicsburg is broken clouds.

Where can I find the hourly weather forecast for Mechanicsburg?

This page shows hourly weather forecast for Mechanicsburg, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Mechanicsburg updated regularly?

Weather data for Mechanicsburg is updated regularly with the latest available observations and forecasts.

Now · 6:55 AM

Mechanicsburg Weather & Hourly Forecast

United States · Pennsylvania · 17055

71°F

Mostly cloudy

Feels like: 72°F

💧 Humidity 89% 🌡 Pressure 30.00 inHg 💨 Wind 3 mph 👁 Visibility 6.2 mi ☁ Clouds 63% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:35 AM 🌇 Sunset 7:40 PM

Hourly Forecast for Mechanicsburg

Today

7:00 AM

Mostly cloudy

71° 💧 None 💨 3 mph H 89%30.00 inHg

10:00 AM

Overcast

75° 💧 None 💨 4 mph H 78%30.03 inHg

1:00 PM

Overcast

87° 💧 None 💨 9 mph H 41%29.97 inHg

4:00 PM

Partly cloudy

88° 💧 None 💨 8 mph H 40%29.91 inHg

7:00 PM

Mostly cloudy

85° 💧 None 💨 6 mph H 56%29.94 inHg

10:00 PM

Overcast night

81° 💧 None 💨 6 mph H 69%29.97 inHg

Tomorrow

1:00 AM

Light rain

76° 💧 0.07 in 💨 6 mph H 88%30.00 inHg

4:00 AM

Light rain

74° 💧 0.01 in 💨 3 mph H 97%30.03 inHg

7:00 AM

Mostly cloudy

74° 💧 None 💨 3 mph H 97%30.06 inHg

10:00 AM

Overcast

80° 💧 None 💨 5 mph H 84%30.09 inHg

1:00 PM

Overcast

85° 💧 None 💨 4 mph H 61%30.06 inHg

4:00 PM

Mostly cloudy

85° 💧 0.52 in 💨 9 mph H 61%30.00 inHg

7:00 PM

Light rain

72° 💧 0.10 in 💨 4 mph H 97%30.00 inHg

10:00 PM

Clear night

71° 💧 0.02 in 💨 6 mph H 97%30.03 inHg

Thursday

1:00 AM

Partly cloudy night

72° 💧 None 💨 3 mph H 98%30.00 inHg

4:00 AM

Moderate rain

71° 💧 0.10 in 💨 3 mph H 99%30.00 inHg

Today

7:00 AM

Mostly cloudy

71° 💧 None 💨 3 mph H 89%30.00 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 3 mph H 88%30.00 inHg

9:00 AM

Mostly cloudy

73° 💧 None 💨 2 mph H 85%30.00 inHg

10:00 AM

Overcast

75° 💧 None 💨 4 mph H 78%30.03 inHg

11:00 AM

Overcast

81° 💧 None 💨 5 mph H 69%30.03 inHg

12:00 PM

Overcast

88° 💧 None 💨 7 mph H 47%30.00 inHg

1:00 PM

Overcast

87° 💧 None 💨 9 mph H 41%29.97 inHg

2:00 PM

Mostly cloudy

86° 💧 None 💨 11 mph H 42%29.97 inHg

3:00 PM

Mostly cloudy

88° 💧 None 💨 10 mph H 43%29.94 inHg

4:00 PM

Partly cloudy

88° 💧 None 💨 8 mph H 40%29.91 inHg

5:00 PM

Mostly cloudy

89° 💧 None 💨 10 mph H 39%29.91 inHg

6:00 PM

Mostly cloudy

88° 💧 None 💨 9 mph H 45%29.91 inHg

7:00 PM

Mostly cloudy

85° 💧 None 💨 6 mph H 56%29.94 inHg

8:00 PM

Mostly cloudy night

85° 💧 None 💨 6 mph H 62%29.94 inHg

9:00 PM

Overcast night

83° 💧 None 💨 5 mph H 66%29.97 inHg

10:00 PM

Overcast night

81° 💧 None 💨 6 mph H 69%29.97 inHg

11:00 PM

Overcast night

79° 💧 None 💨 5 mph H 71%29.97 inHg

Tomorrow

12:00 AM

Overcast night

78° 💧 None 💨 5 mph H 77%30.00 inHg

1:00 AM

Light rain

76° 💧 0.01 in 💨 6 mph H 88%30.00 inHg

2:00 AM

Light rain

74° 💧 0.01 in 💨 4 mph H 93%30.00 inHg

3:00 AM

Moderate rain

74° 💧 0.05 in 💨 3 mph H 97%30.03 inHg

4:00 AM

Light rain

74° 💧 0.01 in 💨 3 mph H 97%30.03 inHg

5:00 AM

Mostly cloudy night

74° 💧 None 💨 3 mph H 97%30.03 inHg

6:00 AM

Mostly cloudy night

74° 💧 None 💨 2 mph H 97%30.03 inHg

7:00 AM

Mostly cloudy

74° 💧 None 💨 3 mph H 97%30.06 inHg

8:00 AM

Overcast

76° 💧 None 💨 4 mph H 95%30.06 inHg

9:00 AM

Overcast

77° 💧 None 💨 5 mph H 91%30.06 inHg

10:00 AM

Overcast

80° 💧 None 💨 5 mph H 84%30.09 inHg

11:00 AM

Overcast

82° 💧 None 💨 6 mph H 78%30.09 inHg

12:00 PM

Overcast

84° 💧 None 💨 6 mph H 68%30.06 inHg

1:00 PM

Overcast

85° 💧 None 💨 4 mph H 61%30.06 inHg

2:00 PM

Overcast

82° 💧 None 💨 6 mph H 70%30.03 inHg

3:00 PM

Overcast

85° 💧 None 💨 7 mph H 65%30.03 inHg

4:00 PM

Mostly cloudy

85° 💧 None 💨 9 mph H 61%30.00 inHg

5:00 PM

Heavy rain

81° 💧 0.33 in 💨 1 mph H 89%29.97 inHg

6:00 PM

Heavy rain

79° 💧 0.20 in 💨 7 mph H 92%30.00 inHg

7:00 PM

Light rain

72° 💧 0.03 in 💨 4 mph H 97%30.00 inHg

8:00 PM

Light rain

76° 💧 0.04 in 💨 1 mph H 98%30.00 inHg

9:00 PM

Light rain

72° 💧 0.04 in 💨 4 mph H 97%30.03 inHg

10:00 PM

Clear night

71° 💧 None 💨 6 mph H 97%30.03 inHg

11:00 PM

Light rain

70° 💧 0.02 in 💨 2 mph H 97%30.03 inHg

Thursday

12:00 AM

Mostly clear night

70° 💧 None 💨 5 mph H 98%30.00 inHg

1:00 AM

Partly cloudy night

72° 💧 None 💨 3 mph H 98%30.00 inHg

2:00 AM

Partly cloudy night

72° 💧 None 💨 4 mph H 98%30.00 inHg

3:00 AM

Overcast night

72° 💧 None 💨 4 mph H 98%29.97 inHg

4:00 AM

Moderate rain

71° 💧 0.06 in 💨 3 mph H 99%30.00 inHg

5:00 AM

Light rain

71° 💧 0.03 in 💨 3 mph H 99%30.00 inHg

6:00 AM

Light rain

71° 💧 0.02 in 💨 4 mph H 99%30.00 inHg

7:00 AM

Light rain

70° 💧 0.03 in 💨 5 mph H 99%30.00 inHg

8:00 AM

Overcast

70° 💧 None 💨 4 mph H 99%30.00 inHg

9:00 AM

Light rain

71° 💧 0.02 in 💨 3 mph H 98%30.03 inHg

10:00 AM

Overcast

72° 💧 None 💨 1 mph H 97%30.03 inHg

11:00 AM

Overcast

74° 💧 None 💨 2 mph H 93%30.03 inHg

12:00 PM

Overcast

77° 💧 None 💨 3 mph H 85%30.00 inHg

1:00 PM

Overcast

80° 💧 None 💨 7 mph H 75%29.97 inHg

2:00 PM

Overcast

86° 💧 None 💨 7 mph H 61%29.94 inHg

3:00 PM

Overcast

91° 💧 None 💨 8 mph H 49%29.91 inHg

4:00 PM

Mostly cloudy

94° 💧 None 💨 9 mph H 44%29.88 inHg

5:00 PM

Mostly cloudy

93° 💧 None 💨 7 mph H 48%29.85 inHg

6:00 PM

Mostly cloudy

90° 💧 None 💨 8 mph H 52%29.85 inHg

7:00 PM

Mostly cloudy

84° 💧 None 💨 5 mph H 64%29.88 inHg

8:00 PM

Moderate rain

77° 💧 0.05 in 💨 3 mph H 83%29.88 inHg

9:00 PM

Moderate rain

75° 💧 0.05 in 💨 5 mph H 87%29.91 inHg

10:00 PM

Light rain

75° 💧 0.03 in 💨 3 mph H 88%29.91 inHg

11:00 PM

Moderate rain

74° 💧 0.07 in 💨 3 mph H 92%29.91 inHg

Friday

12:00 AM

Moderate rain

74° 💧 0.06 in 💨 4 mph H 92%29.91 inHg

1:00 AM

Light rain

74° 💧 0.01 in 💨 5 mph H 93%29.94 inHg

2:00 AM

Light rain

73° 💧 0.02 in 💨 6 mph H 96%29.85 inHg

3:00 AM

Overcast night

72° 💧 None 💨 3 mph H 97%29.88 inHg

4:00 AM

Light rain

72° 💧 0.01 in 💨 3 mph H 97%29.88 inHg

5:00 AM

Light rain

71° 💧 0.02 in 💨 4 mph H 97%29.88 inHg

6:00 AM

Light rain

70° 💧 0.01 in 💨 5 mph H 97%29.88 inHg

7:00 AM

Mostly cloudy

69° 💧 None 💨 4 mph H 97%29.88 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 4 mph H 94%29.91 inHg

9:00 AM

Sunny

75° 💧 None 💨 6 mph H 87%29.91 inHg

10:00 AM

Mostly sunny

78° 💧 None 💨 9 mph H 78%29.91 inHg

11:00 AM

Partly cloudy

81° 💧 None 💨 9 mph H 67%29.91 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 7 mph H 59%29.91 inHg

1:00 PM

Partly cloudy

86° 💧 None 💨 7 mph H 53%29.88 inHg

2:00 PM

Partly cloudy

87° 💧 None 💨 12 mph H 50%29.91 inHg

3:00 PM

Overcast

87° 💧 None 💨 15 mph H 51%29.91 inHg

4:00 PM

Overcast

82° 💧 None 💨 10 mph H 62%29.85 inHg

5:00 PM

Overcast

81° 💧 None 💨 9 mph H 67%29.83 inHg

6:00 PM

Overcast

78° 💧 None 💨 6 mph H 75%29.83 inHg

7:00 PM

Light rain

77° 💧 0.00 in 💨 6 mph H 76%29.83 inHg

8:00 PM

Overcast night

76° 💧 None 💨 6 mph H 76%29.85 inHg

9:00 PM

Light rain

73° 💧 0.01 in 💨 8 mph H 87%29.85 inHg

10:00 PM

Clear night

72° 💧 None 💨 8 mph H 87%29.88 inHg

11:00 PM

Clear night

70° 💧 None 💨 7 mph H 89%29.85 inHg

Saturday

12:00 AM

Partly cloudy night

69° 💧 None 💨 5 mph H 89%29.85 inHg

1:00 AM

Partly cloudy night

69° 💧 None 💨 4 mph H 90%29.85 inHg

2:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 91%29.85 inHg

3:00 AM

Overcast night

67° 💧 None 💨 4 mph H 92%29.85 inHg

4:00 AM

Mostly cloudy night

67° 💧 None 💨 3 mph H 93%29.85 inHg

5:00 AM

Mostly cloudy night

66° 💧 None 💨 3 mph H 93%29.85 inHg

6:00 AM

Mostly cloudy night

66° 💧 None 💨 2 mph H 93%29.85 inHg

In Mechanicsburg and, more broadly, across the state of Pennsylvania: This morning, the sky will be mostly cloudy, with temperatures ranging from the mid-70s to the high 80s, creating a warm start to the day. Winds will be coming from the west at around 8 to 10 mph, with gusts reaching up to 16 mph. As the day progresses, expect the cloud cover to persist, and there’s a possibility of rain, especially in the afternoon, with the highest chance being around 62%. Temperatures will stay hot, with highs reaching near 88 degrees. The moderate west winds will continue through the afternoon, providing some relief from the heat but also the chance for brief gusty conditions if rain develops. Overall, it will be a warm, mostly cloudy day with a notable chance of scattered showers.

15-Day Weather Outlook for Mechanicsburg

TomorrowTomorrow

Heavy rain 85°/70° 💧 0.71 in 💨 9 mph

Thursday, Sep 3Thu Sep 3

Moderate rain 94°/70° 💧 0.35 in 💨 9 mph

Friday, Sep 4Fri Sep 4

Moderate rain 87°/69° 💧 0.15 in 💨 12 mph

Saturday, Sep 5Sat Sep 5

Partly cloudy 81°/64° 💧 None 💨 9 mph

Sunday, Sep 6Sun Sep 6

Mostly cloudy 78°/58° 💧 None 💨 7 mph

Monday, Sep 7Mon Sep 7

Partly cloudy 82°/60° 💧 None 💨 10 mph

Tuesday, Sep 8Tue Sep 8

Moderate rain 72°/55° 💧 0.45 in 💨 15 mph

Wednesday, Sep 9Wed Sep 9

Light rain 71°/51° 💧 0.01 in 💨 10 mph

Thursday, Sep 10Thu Sep 10

Light rain 78°/53° 💧 0.05 in 💨 12 mph

Friday, Sep 11Fri Sep 11

Light rain 97°/69° 💧 0.01 in 💨 17 mph

Saturday, Sep 12Sat Sep 12

Overcast 80°/61° 💧 None 💨 8 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 78°/55° 💧 None 💨 9 mph

Monday, Sep 14Mon Sep 14

Light rain 93°/67° 💧 0.10 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Light rain 73°/57° 💧 0.05 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Sunny 74°/51° 💧 None 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mechanicsburg

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Mechanicsburg

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 7,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 9,8µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 16,0µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 6,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Mechanicsburg

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,8High 😊Good

Tomorrow UV 5,7Moderate 😐Moderate

Thursday UV 7,9High 😐Moderate

Friday UV 7,4High 🙂Fair

Saturday UV 7,0High 😊Good

Sunday UV 6,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,5 9:00 AMUV 1,6 10:00 AMUV 3,4 11:00 AMUV 5,2 12:00 PMUV 6,4 1:00 PMUV 6,8 2:00 PMUV 2,6 3:00 PMUV 5,9 4:00 PMUV 3,9 5:00 PMUV 1,7 6:00 PMUV 0,7

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Mechanicsburg

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.13 Population: 9,720

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Forecast data for Mechanicsburg were last refreshed today at 6:55 AM. The current forecast period extends through 03/09/2026 at 4:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.